condition	mean	min	max
4 h after light	29.977449999999997	27.4592	32.4957
8 h after light	19.42625	18.9895	19.863
12 h after light	16.2653	15.4892	17.0414
4 h after dark	18.210800000000003	17.3255	19.2447
8 h after dark	22.5265	22.1673	23.1541
12 h after dark	25.4811	23.7122	26.8881